BMW 8 Series (G16) (2019) is 819 mm (32.24 inch) longer, 116 mm (4.57 inch) wider and has 60 liters (2.12 ft3) bigger cargo space than Seat Leon (2014).
Seat Leon (2014) is 52 mm (2.05 inch) higher and 685 kg (1,510 lbs) lighter than BMW 8 Series (G16) (2019).